Microsoft Intern interview questions

Interview started with basic introduction then went directly to two coding question. I was chance to give this interview after my successful participation as a microsoft engage mentee. Write a function to check whether two given strings are Permutation of each other or not. A Permutation of a string is another string that contains same characters, only the order of characters can be different. For example, “abcd” and “dabc” are Permutation of each other.

was tough, i was only ablle to make it to coding round there were two questions asked which I was only able to do one because the other one tled.